Search Google Appliance

Texas Instruments TI-2510 Handheld Electronic Calculator

In 1972, Texas Instruments began selling electronic calculators under its own name. The first of these was the Datamath or TI-2500. Over the next few years, TI sold modifications of the TI-2500 that had different forms of battery (such as the TI-2500B, the TI-2500II, and the TI-2510), a different color case (the TI-2510), a key for taking percentages (the TI-2550 and the TI-2550II), and keys for additional functions (the TI-2550II and the TI-2550III). This is an example of the TI-2510.

The handheld calculator has a light tan or ivory-colored plastic case with a black plastic keyboard. It has an array of eighteen keys, sixteen of them square and two rectangular. These include ten digit keys, a decimal point key, a total key, four arithmetic function keys, a clear entry key, and a clear key. A switch at the right in the top row of keys may be set at “CHAIN” or “CONST.” A mark above this switch reads: TI-2510. Behind the keyboard is an eight-digit LED display.

A jack for a power adapter is along the back edge. An on/off switch is on the left side.

The back of the calculator has a compartment for storing four AA alkaline or carbon-zinc batteries. Such a compartment was not found in the TI-2500.

A sticker on the compartment cover reads: TI-2510 electronic calculator (/) Made by Texas Instruments Incorporated, Dallas, Texas. It also reads in part: Serial number (/) 2510 047053. The sticker indicates that the calculator has four disposable AA batteries. It also says that AC Adapter AC9120 might be used for a power supply, with or without batteries installed.

Unscrewing three long screws on the back of the case does not reveal the chips. Two green wires extend from the inside of the calculator around the outside.

Comments

Add a comment about this object

**Please read before submitting the form**

Have a comment or question about this object to share with the community? Please use the form below. Selected comments will appear on this page and may receive a museum response (but we can't promise). Please note that we generally cannot answer questions about the history, rarity, or value of your personal artifacts.

Have a question about anything else, or would you prefer a personal response? Please visit our FAQ
or contact page.

Personal information will not be shared or result in unsolicited e-mail. See our privacy policy.

Your name *

E-mail *

The content of this field is kept private and will not be shown publicly.